Home / 39,849.27-54,990.79-21,944.22

Finding the Fourth Proportional to 39,849.27, 54,990.79 and 21,944.22

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Solution

The fourth proportional to 39,849.27, 54,990.79 and 21,944.22 is: 30,282.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,849.27 : 54,990.79 = 21,944.22 : x
  2. Step 2: Convert to fraction form
    39,849.27/54,990.79 = 21,944.22/x
  3. Step 3: Cross multiply
    39,849.27x = 54,990.79 × 21,944.22
  4. Step 4: Simplify right side
    39,849.27x = 1,206,729,993.73
  5. Step 5: Solve for x
    x = 1,206,729,993.73/39,849.27
  6. Step 6: Final answer
    x = 30,282.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.